The cache is at the listed coordinates. You can sign the log at any time (and post a note that you've done so) but to claim the find you will need to prove you meet the qualifications.
This is the first challenge in the series From Depths to Mountains. To qualify for this challenge cache, you need to find at least one cache with elevation between 0 and 999ft. Any cache type counts except Adventure Lab caches. Any past finds count! Pretty much any cache in the Houston area that will get you there.
